Kokoro Isomura defeated Colin Sinclair 6-4 6-4 in the Brisbane 1 CH qualifying round 2 on hard. Kokoro Isomura extended the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2025-07-11 | M15 Tokyo 2 | QF | hard | Kokoro Isomura | 6-3 4-6 6-4 |
| 2025-06-27 | M15 Maanshan 3 | QF | hard | Colin Sinclair | 6-3 6-7(6) 6-3 |
Averages over each player's completed matches in the selected window (75 vs 49). ATP, WTA & Challenger.
Isomura K.: 11 days rest · 3 matches (14d) · Sinclair C.: 11 days rest · 3 matches (14d). Higher means fresher. About
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About